Product Details | SHUTTLE VALVE

4820-01-234-6942 A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

Part Alternates: S-544 ITEM 8, S-544 ITEM 8VM, S544ITEM8, S544ITEM8VM, 2256B1, 2256B-1, 2256B1VM, 2256B-1VM, 4820-01-234-6942, 01-234-6942, 4820012346942, 012346942

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 JUN 1986 01-234-6942

Demand History | NSN 4820-01-234-6942

Part Number Request Date QTY Origin
4820-01-234-6942 2008-11-317 9 DIBBS

Cross Reference | NSN 4820-01-234-6942

Part Number Cage Code Manufacturer
2256B-1 96948 KEPNER PRODUCTS COMPANY
2256B-1VM 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
S-544 ITEM 8 16288 METSO MINERALS INDUSTRIES, INC. DBA BULK MATERIAL HANDLING
S-544 ITEM 8VM 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-234-6942

Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
MANUFACTURERS CODE 96948
DESIGN CONTROL REFERENCE 2256B-1

Restrictions/Controls & Freight Information | NSN 4820-01-234-6942

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-234-6942

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDVMEquipment and/or parts requiring special material control and quality assurance which support the non-magnetic signature of minesweepers.
Special Material ContentY Non-Magnetic (must remain free of strong magnetic field)
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each